It has been interesting seeing all the posts about this. The real question is
why would you ever use a TB3 or TB4 at $161 and $185 (from 3Star) when you can
have a REAL bearing for only $30.98???? Made with REAL steel, seals and a zerk
fitting?
Check out
http://www.thebigbearingstore.com/servlet/the-88/2%22-Four-Bolt-Flange/Detail
A nice 1" thick plate of Delrin with a two inch hole cut in it using a hole
saw from your local hardware store works really well also - Delrin however is
way more expensive than these bearings.
Terry Price - W8ZN ex K8ISK
FM18dv - 1.8MHz thru 47GHz
K8GP - The Grid Pirates - FM19bb
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